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int (x^7)/(1+x^4)^2dx=...

`int (x^7)/(1+x^4)^2dx=`

A

`(1)/(4)(log|1+x^4|-(1)/(1+x^4))+c`

B

`(1)/(4)(log|1+x^4|+(1)/(1+x^4))+c`

C

`(1)/(4)(log|1+x^4|-(1)/((1+x^4)^2)+c`

D

`(1)/(4)(log|1+x^4|+(1)/((1+x^4)^2))+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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